Ferromanganese Nodules

Result of ion exchange reactions that precipitate ore components from the water (sedimentary) or out of the interstitial water of the sediments layers (diagenetic).
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rock concretion on the sea bottom made of layers of iron/manganese hydroxides
Article URL: https://en.wikipedia.org/wiki/Manganese_nodule Comments URL: https://news.ycombinator.com/item?id=41136073 Points: 1 # Comments: 0
Science & Technology
en.wikipedia.org
Study reveals metabolic capacities of microorganisms in ferromanganese nodule sediments
Ferromanganese nodule-bearing deep-sea sediments harbor unique conditions characterized by high iron concentration and low degradable nutrient levels, which pose challenges to the survival and growth of most microorganisms.
Science & Technology
phys.org
mostly submerged mass of continental crust containing New Zealand and New Caledonia
Article URL: https://en.wikipedia.org/wiki/Zealandia Comments URL: https://news.ycombinator.com/item?id=33618741 Points: 1 # Comments: 0
Science & Technology
en.wikipedia.org